1640976470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1\times {\mathrm{499}}^1$

素因数の和:1053

約数の個数: 64

約数和(自身を含む): 3421440000

約数和(自身を除く): 1780463530

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 431, 499, 545, 763, 862, 998, 1090, 1526, 2155, 2495, 3017, 3493, 3815, 4310, 4990, 6034, 6986, 7630, 15085, 17465, 30170, 34930, 46979, 54391, 93958, 108782, 215069, 234895, 271955, 328853, 380737, 430138, 469790, 543910, 657706, 761474, 1075345, 1505483, 1644265, 1903685, 2150690, 3010966, 3288530, 3807370, 7527415, 15054830, 23442521, 46885042, 117212605, 164097647, 234425210, 328195294, 820488235, 1640976470]

約数ペア:

[(1, 1640976470), (2, 820488235), (5, 328195294), (7, 234425210), (10, 164097647), (14, 117212605), (35, 46885042), (70, 23442521), (109, 15054830), (218, 7527415), (431, 3807370), (499, 3288530), (545, 3010966), (763, 2150690), (862, 1903685), (998, 1644265), (1090, 1505483), (1526, 1075345), (2155, 761474), (2495, 657706), (3017, 543910), (3493, 469790), (3815, 430138), (4310, 380737), (4990, 328853), (6034, 271955), (6986, 234895), (7630, 215069), (15085, 108782), (17465, 93958), (30170, 54391), (34930, 46979)]